package com.sky.controller.admin;


import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;


/**
 * 菜品管理
 */
@Slf4j
@Api(tags = "菜品相关接口")
@RestController
@RequestMapping("/admin/dish")
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;


    /**
     * 新增菜品和对应的口味数据
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation(value = "新增菜品")
    public Result saveWithFlavor(@RequestBody DishDTO dishDTO){

        log.info("新增菜品，{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);


        //清理缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }

    /**
     * 分页查询菜品
     * @return
     */
    @GetMapping("/page")
    @ApiOperation(value = "分页查询菜品")
    public Result<PageResult> DishPageQuery(DishPageQueryDTO dishPageQueryDTO){
        log.info("分页查询， {}", dishPageQueryDTO);
        PageResult pageResult = dishService.page(dishPageQueryDTO);

        return Result.success(pageResult);
    }

    /**
     * 批量删除菜品
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation(value = "批量删除菜品")
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品批量删除，{}", ids);
        dishService.deleteBatch(ids);

        //将所有的菜品缓存数据清理掉， 所有以dish_ 开头的key
        cleanCache("dish_*");
        return Result.success();
    }


    /**
     * 根据id查询菜品
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation(value = "根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品 , {}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);

        return Result.success(dishVO);
    }

    /**
     * 修改菜品信息
     * @param dishDTO
     * @return
     */
    @ApiOperation(value = "修改菜品信息")
    @PutMapping
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品信息为 {}", dishDTO);
        dishService.updateWithFlavor(dishDTO);

        //将所有的菜品缓存数据清理掉， 所有以dish_ 开头的key
        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation(value = "根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);

        return Result.success(list);
    }

    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }


}
